| Diameter | 8 in |
| Image | Supplier | Item Code | Short Description |
|---|---|---|---|
| | Watts Regulator Company | WAT 0780357 | K FLT-P8-1 0780357 |
| | Watts Regulator Company | WAT ET15 | ETX-15 Expansion Tank 0066605 ET15 |
| | Watts Regulator Company | WAT 0780044 | P16-FLT 0780044 |
| | Watts Regulator Company | WAT PLT5 | PLT-5 Almond Expansion Tank 0067370 PLT5 |
